linux/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmmcp77.c
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   1/*
   2 * Copyright 2017 Red Hat Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 */
  22#include "vmm.h"
  23
  24static const struct nvkm_vmm_func
  25mcp77_vmm = {
  26        .join = nv50_vmm_join,
  27        .part = nv50_vmm_part,
  28        .valid = nv50_vmm_valid,
  29        .flush = nv50_vmm_flush,
  30        .page_block = 1 << 29,
  31        .page = {
  32                { 16, &nv50_vmm_desc_16[0], NVKM_VMM_PAGE_xVxx },
  33                { 12, &nv50_vmm_desc_12[0], NVKM_VMM_PAGE_xVHx },
  34                {}
  35        }
  36};
  37
  38int
  39mcp77_vmm_new(struct nvkm_mmu *mmu, u64 addr, u64 size, void *argv, u32 argc,
  40              struct lock_class_key *key, const char *name,
  41              struct nvkm_vmm **pvmm)
  42{
  43        return nv04_vmm_new_(&mcp77_vmm, mmu, 0, addr, size,
  44                             argv, argc, key, name, pvmm);
  45}
  46